3,5-dimethyl-4-[(4-nitrophenyl)hydrazinylidene]cyclohexa-2,5-dien-1-one

2,6-二甲基-2,5-环己二烯-1,4-二酮

3,5-二甲基-4-氨基苯酚

2,6-dimethyl-4-(phenylhydrazinylidene)cyclohexa-2,5-dien-1-one